#A03E37#A03E37

#A03E37 is a mid, vivid red. Relative luminance 0.112; OKLCH L 49.7% C 0.132 H 27.0°. Best body text is #FFFFFF at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#A03E37
RGB	rgb(160, 62, 55)
HSL	hsl(4, 49%, 42%)
HSV	hsv(4, 66%, 63%)
CMYK	cmyk(0%, 61.2%, 65.6%, 37.3%)
CIE-LAB	lab(39.91, 40.23, 25.33)
CIE-LCH	lch(39.91, 47.54, 32.20°)
OKLab	oklab(49.74% 0.1176 0.0599)
OKLCH	oklch(49.74% 0.132 27)
XYZ	xyz(16.9110, 11.1969, 4.8844)
Luminance	0.1119 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A03E37 #3799A0

analogous

#A03765 #A03E37 #A07337

triadic

#A03E37 #37A03E #3E37A0

tetradic

#A03E37 #65A037 #3799A0 #7337A0

square

#A03E37 #65A037 #3799A0 #7337A0

split-complementary

#A03E37 #37A073 #3765A0

monochromatic

#451B18 #722C27 #A03E37 #C35951 #D3847F

Accessibility & contrast

On white

6.48

#A03E37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#A03E37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A03E37

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A03E37	#FFFFFF	#000000	##FFFFFF
##A03E37	1.00	6.48	3.24	6.48
#FFFFFF	6.48	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575136

Deuteranopia (green-blind)

#706634

Tritanopia (blue-blind)

#AF2A3D

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #a03e37;
/* rgb */ color: rgb(160, 62, 55);
/* oklch */ color: oklch(49.7% 0.132 27.0);

Tailwind

colors: {
  custom: {
    50: '#c2776e',
    500: '#a03e37',
    950: '#000000',
  },
}

SCSS

$custom: #a03e37;
$custom-light: #c2776e;
$custom-dark: #000000;

JSON

{
  "hex": "#a03e37",
  "rgb": {
    "r": 160,
    "g": 62,
    "b": 55
  },
  "hsl": {
    "h": 4,
    "s": 48.837,
    "l": 42.157
  },
  "oklch": {
    "l": 0.49738,
    "c": 0.13193,
    "h": 27
  },
  "luminance": 0.11195
}

Semantic roles & 50–950 ramp

primary

#A03E37

secondary

#77B8BC

accent

#CFD84F

background

#FCF7F6

surface

#F9EDEB

border

#D2C8C6

text

#140907

muted

#827B7A

Preview Lab

Preview with #A03E37

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →